Weather archive in Montreal / Pierre Elliott Trudeau (airport)
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2025 December 20, Saturday | 22 | -0.2 32 | 750.2 29.54 1000.18 1000.18 | 753.7 29.67 1004.85 1004.85 | -2.5 -0.1 -3.33 -3.33 | 63 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 24.0 14.9 | -6.4 20 | |||||||||||||||||
19 | -1.2 30 | 752.7 29.63 1003.52 1003.52 | 756.1 29.77 1008.05 1008.05 | -4.5 -0.18 -6 -6 | 59 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | -8.9 16 | -1.2 30 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | Altostratus opacus or Nimbostratus. | 24.0 14.9 | -8.2 17 | No precipitation No precipitation | 6 | Compact or wet snow (with or without ice) covering less than one-half of the ground. | less than 0.5 less than 0.2 | |||||||||
16 | -4.9 23 | 757.2 29.81 1009.52 1009.52 | 760.6 29.94 1014.05 1014.05 | -2.8 -0.11 -3.73 -3.73 | 63 | Wind blowing from the south-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 24.0 14.9 | -10.9 12 | ||||||||||||||||||
13 | -6.2 21 | 760.0 29.92 1013.25 1013.25 | 763.5 30.06 1017.92 1017.92 | -1.1 -0.04 -1.47 -1.47 | 65 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | -8.9 16 | -4.6 24 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 45.0 28.0 | -11.7 11 | No precipitation No precipitation | 6 | Compact or wet snow (with or without ice) covering less than one-half of the ground. | less than 0.5 less than 0.2 | |||||||||
10 | -7.9 18 | 761.1 29.96 1014.72 1014.72 | 764.6 30.1 1019.38 1019.38 | 0.3 0.01 0.4 0.4 | 60 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | 45.0 28.0 | -14.3 6 | ||||||||||||||||||
07 | -8.6 17 | 760.8 29.95 1014.32 1014.32 | 764.2 30.09 1018.85 1018.85 | 4.0 0.16 5.33 5.33 | 63 | Wind blowing from the west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | no clouds no clouds no clouds | -8.6 17 | 24.0 14.9 | -14.4 6 | No precipitation No precipitation | 6 | Compact or wet snow (with or without ice) covering less than one-half of the ground. | less than 0.5 less than 0.2 | ||||||||||||||
04 | -7.2 19 | 756.8 29.8 1008.98 1008.98 | 760.3 29.93 1013.65 1013.65 | 6.3 0.25 8.4 8.4 | 61 | Wind blowing from the west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | 24.0 14.9 | -13.6 8 | ||||||||||||||||||
01 | -4.7 24 | 750.5 29.55 1000.58 1000.58 | 754.0 29.69 1005.25 1005.25 | 6.7 0.26 8.93 8.93 | 57 | Wind blowing from the west | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Shower(s). | Snow and/or other types of solid precipitation | -4.7 24 | 12.7 55 | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 24.0 14.9 | -12.1 10 | Trace of precipitation Trace of precipitation | 6 | Compact or wet snow (with or without ice) covering less than one-half of the ground. | less than 0.5 less than 0.2 | ||||||
| December 19, Friday | 22 | -1.8 29 | 743.8 29.28 991.65 991.65 | 747.2 29.42 996.18 996.18 | 3.6 0.14 4.8 4.8 | 84 | Wind blowing from the west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 24.0 14.9 | -4.1 25 | |||||||||||||||||